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1
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Awachat MM, Shaikh AC, Ganjave NV, Chavan SP, Shivakumar I, Kalkote UR. A Facile Aromatisation of 1,4-dihydropyridines by Ammonium Nitrate in Acetic Acid. JOURNAL OF CHEMICAL RESEARCH 2019. [DOI: 10.3184/030823407x200010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The oxidation of 1,4-dihydropyridines to pyridines with ammonium nitrate as an oxidant in the presence of acetic acid proceeds in excellent yield.
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Affiliation(s)
| | - Ajam C. Shaikh
- Department of Chemistry, S.P. College, Pune-411030, India
| | | | | | - I. Shivakumar
- Division of Organic Chemistry: Technology, Pune-411008, India
| | - Uttam R Kalkote
- Division of Organic Chemistry: Technology, Pune-411008, India
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2
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Li YL, Zhang MM, Wang XS, Shi DQ, Tu SJ, Wei XY, Zong ZM. One Pot Three Component Synthesis of 9-arylpolyhydroacridine Derivatives in an Ionic Liquid Medium. JOURNAL OF CHEMICAL RESEARCH 2019. [DOI: 10.3184/030823405774308853] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
In this paper the preparation of 3,3,6,6-tetramethyl-9-aryl-1,2,3,4,5,6,7,8,9,10- decahydroacridin-1,8-dione derivatives from aromatic aldehydes, 5,5-dimethyl-1,3- cyclohexanedione and ammonium acetate in ionic liquids [bmim+][BF4-] is described. This new method has the advantages of easier work-up, milder reaction conditions, high yields and an environmentally benign procedure compared with other methods.
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Affiliation(s)
- Yu-Ling Li
- Department of Chemistry, Xuzhou Normal University, Xuzhou Jiangsu, 221116, China
- The Key Laboratory of Biotechnology on Medical Plant, Jiangsu, Xuzhou 221116, China
| | - Mei-Mei Zhang
- Department of Chemistry, Xuzhou Normal University, Xuzhou Jiangsu, 221116, China
| | - Xiang-Shan Wang
- Department of Chemistry, Xuzhou Normal University, Xuzhou Jiangsu, 221116, China
- School of Chemical Engineering, China University of Mining and Technology, Xuzhou Jiangsu 221008, China
- The Key Laboratory of Biotechnology on Medical Plant, Jiangsu, Xuzhou 221116, China
| | - Da-Qing Shi
- Department of Chemistry, Xuzhou Normal University, Xuzhou Jiangsu, 221116, China
- The Key Laboratory of Biotechnology on Medical Plant, Jiangsu, Xuzhou 221116, China
| | - Shu-Jiang Tu
- Department of Chemistry, Xuzhou Normal University, Xuzhou Jiangsu, 221116, China
- The Key Laboratory of Biotechnology on Medical Plant, Jiangsu, Xuzhou 221116, China
| | - Xian-Yong Wei
- School of Chemical Engineering, China University of Mining and Technology, Xuzhou Jiangsu 221008, China
| | - Zhi-Min Zong
- School of Chemical Engineering, China University of Mining and Technology, Xuzhou Jiangsu 221008, China
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3
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Ganapathi P, Ganesan K. Synthesis and Characterization of 1,2-Dimethyl Imidazolium Ionic Liquids and Their Catalytic Activities. SYNTHETIC COMMUN 2015. [DOI: 10.1080/00397911.2015.1067324] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Pandurangan Ganapathi
- PG and Research Department of Chemistry, Presidency College (Autonomous), Chennai, India
| | - Kilivelu Ganesan
- PG and Research Department of Chemistry, Presidency College (Autonomous), Chennai, India
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4
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Guanaes LD, Ducatti DR, Duarte MER, Barreira SM, Noseda MD, Gonçalves AG. Synthesis of pyridinium salts from N-substituted dihydropyridines with BF3OEt2 in the absence of added oxidants. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.02.119] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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5
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Synthesis, Characterization and Catalytic Activity of Molybdenum Oxide Nanoparticles by Albumen, Assisting Microwave Process for Dehydrogenation of 1,4-Dihydropyridines. J CLUST SCI 2014. [DOI: 10.1007/s10876-014-0730-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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6
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Remarkably fast and selective aromatization of Hantzsch esters with MoOCl4 and MoCl5: A chemical model for possible biologically relevant properties of molybdenum-containing enzymes. Bioorg Med Chem Lett 2012; 22:3676-81. [DOI: 10.1016/j.bmcl.2012.04.043] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2012] [Revised: 04/06/2012] [Accepted: 04/07/2012] [Indexed: 11/15/2022]
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7
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Chandrachood P, Gadkari T, Deshpande N, Kashalkar R. Highly efficient methodology for aromatization of 1, 4-dihydropyridines using silica-supported transition metal nitrates under infra-red radiations. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2012. [DOI: 10.1007/s13738-011-0010-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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8
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Affiliation(s)
- Jason P. Hallett
- Department of Chemistry, Imperial College London, South Kensington Campus, London SW7 2AZ, United Kingdom
| | - Tom Welton
- Department of Chemistry, Imperial College London, South Kensington Campus, London SW7 2AZ, United Kingdom
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9
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Hallett JP, Welton T. Room-Temperature Ionic Liquids: Solvents for Synthesis and Catalysis. 2. Chem Rev 2011; 111:3508-76. [PMID: 21469639 DOI: 10.1021/cr1003248] [Citation(s) in RCA: 2692] [Impact Index Per Article: 207.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Jason P. Hallett
- Department of Chemistry, Imperial College London, South Kensington Campus, London SW7 2AZ, United Kingdom
| | - Tom Welton
- Department of Chemistry, Imperial College London, South Kensington Campus, London SW7 2AZ, United Kingdom
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10
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Facile and efficient aromatization of 1,4-dihydropyridines with M(NO3)2·XH2O, TNCB, TBAP and HMTAI and preparation of deuterium labeled dehydronifedipine from nifedipine-d3. Bioorg Med Chem Lett 2010; 20:3664-8. [DOI: 10.1016/j.bmcl.2010.04.096] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2010] [Revised: 04/17/2010] [Accepted: 04/21/2010] [Indexed: 11/19/2022]
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11
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Rapid, efficient, room temperature aromatization of Hantzsch-1,4-dihydropyridines with vanadium(V) salts: superiority of classical technique versus microwave promoted reaction. Tetrahedron 2008. [DOI: 10.1016/j.tet.2008.08.103] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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12
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A highly efficient biomimetic aromatization of Hantzsch-1,4-dihydropyridines with t-butylhydroperoxide, catalysed by iron(III) phthalocyanine chloride. Bioorg Med Chem 2008; 16:9276-82. [DOI: 10.1016/j.bmc.2008.09.004] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2008] [Revised: 08/11/2008] [Accepted: 09/02/2008] [Indexed: 11/23/2022]
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13
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An efficient, metal-free, room temperature aromatization of Hantzsch-1,4-dihydropyridines with urea–hydrogen peroxide adduct, catalyzed by molecular iodine. Tetrahedron 2008. [DOI: 10.1016/j.tet.2008.04.040] [Citation(s) in RCA: 62] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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14
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Ji L, Thiel SW, Pinto NG. Pyrrolidinium Imides: Promising Ionic Liquids for Direct Capture of Elemental Mercury from Flue Gas. ACTA ACUST UNITED AC 2007. [DOI: 10.1007/s11267-007-9144-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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15
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Affiliation(s)
- Vasile I Pârvulescu
- Department of Chemical Technology and Catalysis, University of Bucharest, B-dul Regina Elisabeta 4-12, Bucharest 030016, Romania. v_parvulescu@ chem.unibuc.ro
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